Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

8

Weight

676.000 kg

Boundary Dimensions

Bore Size

710 mm

Outside Diameter

1030 mm

Width

236 mm

Fillet Radius/Chamfer

7.5 mm

Lubricating Hole Dimensions

Groove Width A

40 mm

Hole Diameter (do)

20 mm

Technical Specifications

Dynamic Load Rating

10,300,000 N

Static Load Rating

16,600,000 N

Limiting Speed - Grease

370 rpm

Limiting Speed - Oil

480 rpm

Constant e

0.22

Axial Load Factor Y0

3.03

Axial Load Factor Y1

3.10

Axial Load Factor Y2

4.62

Radial Clearance

0.670 to 0.850 mm

Abutment and Fillet Dimensions

da (min)

746 mm

Da (max)

994 mm

ra (max)

6 mm